TY - JOUR AU - Caldas, Miguel AU - Navalagi, Govindappa TI - On weak forms of preopen and preclosed functions JO - Archivum mathematicum PY - 2004 SP - 119 EP - 128 VL - 40 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_2004__40_2_a1/ LA - en ID - ARM_2004__40_2_a1 ER -